Christchurch rail contractors avoid train after incorrect all clear signal
In this story Transport Accident Investigation Commission, Fulton Hogan

Contractors working on a Christchurch rail line avoided being struck by an oncoming train after being wrongly authorised to work on the track. The Transport Accident Investigation Commission found a distracted trainee rail protection officer had given the incorrect signal. Workers managed to exit the track after hearing level crossing bells.
How they headlined it
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Otago Daily TimesClose call for rail contractors after wrong all clear signal (opens in new tab)
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The Post via RNZAlso on RNZ (opens in new tab), The Press (opens in new tab), Waikato Times (opens in new tab)